>> it was just very strange thing that i never thought about, that when this tattoo was gone, how light-hearted i seemed to be. there was just a certain, i don't know, an elevation that took place. >> reporter: now she donates her time and her laser to help others. >> she's been through something similar and it just gives you like that connection. >> reporter: with just one session so far, sanchez has already seen a change. >> i got so happy, i started crying. i was like looking at it, touching it, like really, it's like a magic "eraser". >> once it's not visible any more, like that's going to make you feel like a whole new person. >> reporter: she says what she does is just a finishing touch. >> the tattoos are like one thing i get to take away. they are one thing that i get to take away. >> reporter: a small step on the road to survival. norah o'donnell, cbs news, new york.